从下面方框中选出与下列各句中画线部分意思相同或相近，并能替换画线部分的选项。

A. at home           B. around           C. is good at           D. look alter

My mother usually goes to work at about 7:30 in the morning,
John is a clever boy. He does well in all the subjects,
Dave' s father was ill two days ago, so he had to take care of him at home.
Last night, Tom was not in. He went to a movie with his friends.